﻿
function setCookie(name, value) {
	var Days = 30;
	var exp = new Date();
	exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
	document.cookie = name + "=" + escape(value) + ";expires="
			+ exp.toGMTString();
}
function getCookie(name) {
	var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
	if (arr = document.cookie.match(reg))
		return unescape(arr[2]);
	else
		return null;
}
function delCookie(name) {
	var exp = new Date();
	exp.setTime(exp.getTime() - 1);
	var cval = getCookie(name);
	if (cval != null)
		document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString();
}


/** 对浮点数进行四舍五入，保留小数点后两位 * */
function CurrencyFormatted(amount) {
	var i = parseFloat(amount);
	if (isNaN(i)) {
		i = 0.00;
	}
	var minus = '';
	if (i < 0) {
		minus = '-';
	}
	i = Math.abs(i);
	i = parseInt((i + .005) * 100);
	i = i / 100;
	s = String(i);
	if (s.indexOf('.') < 0) {
		s += '.00';
	}
	if (s.indexOf('.') == (s.length - 2)) {
		s += '0';
	}
	s = minus + s;
	return s;
}

